He wrote many famous poems, including:
* The Raven: A dark and haunting poem about a grieving man who is visited by a raven, which speaks only the word "Nevermore" and drives him further into despair.
* Annabel Lee: A sorrowful poem about a man who loses his love, Annabel Lee, to a mysterious illness.
* The Tell-Tale Heart: A suspenseful poem about a man who murders an old man he lives with and then is driven to confess his crime by the sound of the old man's beating heart.
* A Dream Within a Dream: A poem about the ephemeral nature of life and the futility of striving for meaning in a world of fleeting experiences.
* Lenore: A mournful poem about a man grieving the loss of his beloved, Lenore.
Once you tell me which poem you're interested in, I can provide a summary.